International Exascale Software Co-Design Workshop: Initial Findings & Future Plans

1. International Exascale Software Co-Design Workshop: Initial Findings &Future Plans CO-DESIGN 2013 http://www.ncic.ac.cn/codesign Guelin, China: October 29-31, 2013 William Tang Princeton University/Princeton Plasma Physics Lab

2. CO-DESIGN 2013 GOALS & EXPECTATIONS • gather insights from successful experiences in “path to exascale” simulation applications & big data management experiences to help optimize a converged co-design path toward deployment of “big data and extreme-scale computing (BDEC)” in key areas of science and technology • -- associated focus: • Hardware Architecture & Big Data Considerations • Domain Applications; and • (3) Algorithms & Software Challenges and Advances

3. CO-DESIGN 2013 INITIAL FINDINGS • Hardware Architecture and Big Data Considerations: - Summary (Rick Stevens) • (7 presentations) • Perspectives on Big Data & Extreme Scale Computing in the US • (William Harrod, US) • Tsubame 2.0 to 3.0 Onwards to Exascale & Extreme Big Data • (Satoshi Matsuoka, Japan) • Perspectives on Big Data & Extreme Scale Computing in China • (DepeiQian, China) • Perspectives on Supercomputing in Europe: Lessons Learned from Energy Efficiency Considerations • (Thomas Schulthess, Switzerland) • Highlights of Milkyway-2 System • (Yutong Lu, China) • Large-Scale Visual Data Analysis • (Chris Johnson, US) • Challenges & Industrial Solutions at Extreme Scale • (Zhimin Tang, China)

4. CO-DESIGN 2013INITIAL FINDINGS • Domain Applications: (9 presentations) - Summary (Tim Germann) • Co-Design Centers in the US & Exascale Co-Design for Materials in Extreme Environments (Tim Germann, US) • Hybrid GPU-CPU Real-Time Simulations of Engineering Granular Flow (Wei Ge, China) • Computational Biology Advances & Opportunities in Big Data & Extreme Computing (Rick Stevens, US) • Climate Modeling Extreme Scale Co-Design Advances (Franck Capello, France) • Particle-in-Cell Fusion Energy Turbulence Simulations @ Extreme Scale (William Tang, US) • Development & Evaluation of High-Resolution Oceanic General Circulation Model (Yonggiang Yu, China) • GPU Computing for Multiple Physics Coupling of ADS (Lei Yang, China) • Exascale Computing Challenges in Engineering (Pooyan Dadvand, Spain) • Recent Advances on HPC Applications in Chinese Academy of Sciences (Zhong Jin, China)

5. CO-DESIGN 2013INITIAL FINDINGS • Algorithms & Software Challenges & Advances: (9presentations) - Summary (David Keyes) • The Way of Exascale Computer, The Viewpoint of a System Researcher (X.H. Xie, China) • Extreme Scale Computing & Big Data Co-Design Challenges (Pete Beckman, US) • Algorithmic Adaptations to Extreme Scale (David Keyes, Saudi Arabia) • Simulation at Extreme Scale: Some Co-Design Thinking & Practices (RongTian, China) • Accelerated Computing Unified with Communication towards Exascale (TaisukeBoku, Japan) • Advances in Extreme Scale Applications Using GPU’s (Peng Wang, nVIDIA China and US) • Scalable Domain Decomposition Methods for Computational Mechanics (XiaochuanCai, US) • Iterative Linear Solvers for Post-Peta/Exascale Systems (Kengo Nakajima, Japan) • The Hierarchical Domain Decomposition System for Post-Petascale Simulation (R. Shioya, Japan)

6. FUTURE PLANSFOR CO-DESIGN 2014 “Action Items” leading into Next International Exascale Co-Design Workshop hosted by China: • Publication of journal-quality articles from Workshop Presentations? • Building on “Lessons Learned” from presentations & discussions, what might be appropriate topical areas for upcoming workshops? -- Large data-driven discovery examples -- Successful deployment of VV&UQ illustrating measurable improvement in predictive capability -- Modern urban design approaches & impact; -- and other topics your suggestions are welcome! • ‘Invitation only” – with maximum #invited speakers ~ 30? • Date: early November time-frame in 2014 ~ 2 days duration as part of HPC China 2014 in Guangzhou